code: def infer(
      self,
      input: torch.Tensor,
      lengths: torch.Tensor,
      states: Optional[List[List[torch.Tensor]]],
  ) -> Tuple[torch.Tensor, torch.Tensor, List[List[torch.Tensor]]]:
      raise RuntimeError(
          "Conformer does not support streaming inference."
      )
  
imports: import math
  from typing import Dict, List, Optional, Tuple
  import torch
  from torchaudio.models import Conformer, RNNT
  from torchaudio.models.rnnt import _Joiner, _Predictor, _TimeReduction, _Transcriber
label_desc: Use image node_id 3 for calling the _ConformerEncoder obj's underlying member method code with example usage: obj.infer(input, lengths, states) without return types